How many complex roots does the function y=x2−2x+3 have? A
0

B
1

C
2

D
3

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)